Island



9 Sheets-Sheet 1.

(No Model.)

' O. A. HARKNES'S.

ELEVATOR.

Patented Jan. 14, 1896.

. CZ v MTNE 55:5- h\l\/ eiN-r UR- W HTT Y- W 9Sheets-Sheet 2.

(No Model.)

G. A. H-ARKNESS. ELEVATOR.

No. 553,064. Patented Jan. 14, 1896.

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9 Sheets--Sheet 3.

{N0 Madel.)

0. A. HARKNESS.

ELEVATOR. No. 553,064. Patented Jan. 14, 1896.

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(N0 Modei.)

O. A. HARKNESS. ELEVATOR.

Patented Jan. 14, 1896.

(No Model.) 9 Sheets-Sheet 5.

0. A. HARKNESS.

ELEVATOR.

No. 553,064. Patented Jan. 14, 1896.

MTNE 55 E a 9 Sheets-Sheet 6.

(No Model.)

C. 'A. HARKNESS.

ELEVATOR. No. 553,064. Patented Jan. 14, 1896.

" INVENTUR f ARDEN BGHNNLPHUYO'UWOWASHINGIOQLRC (No Model.) 9Sheets-Sheet 7.

G. A. HARKNESS.

ELEVATOR. No. 553,064. Patented Jan. 14, 1896.-

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ELEVATOR.

Patented Jan. 14, 18%.

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9 Sheets-Sheet 9.

(No Model.)

0. A. HARKNESS.

ELEVATOR.

Patented Jan. 14,1896.

-rglfi. WITNESSES- NVENThR- UNITED STATES PATENT rricn.

CHARLES A. HARKNESS, OF PROVIDENCE, RHODE ISLAND.

ELEVATOR.

SPECIFIGATION forming part of Letters Patent No. 553,064, dated January14, 1896. Application filed February 8, 1895. iierial No. 537,710. (Nomodel.)

To aZZ whom it may concern:

Be it known that I, CHARLES A. HARKNESS, of Providence, in the county ofProvidence and State of Rhode Island, have invented certain new anduseful Improvements in Elevators, of which the following is aspecification.

My invention relates to certain new and useful improvements in elevatorsand devices for controlling the movements thereof.

Among the various objects of the invention are, first, the providing ofcertain connections between the cage and valve moving devices wherebythe said valve-moving devices will be sensible of the slightest movementof the operating-rope; second, the provision of a manipulating oroperating rope which will not be subjected to any vibrations or jerksresulting from the stopping or starting of the cage; third, theprovision of means to compensate for the slightest lengthening orshortening of the operating-rope; fourth, the provision of meanssupplemental to the operating-rope for effecting the movements of thecage and for stopping it, either at will or antomatically; fifth, theprovision of means supplemental to the operating-rope for stop ping themovements of the cage when it has reached the highest or lowest point inits travel; sixth, the provision of means whereby all the doors leadinginto the well are automatically locked against movementduring the travelof the cage and can be opened only when the cage is at rest atpredetermined points; seventh, the provision of means for locking thecage against movement while the door is open; eighth, the provision ofmeans for audibly notifying persons on various floors when the cage isin motion, and, ninth, the provision of other novel features ofconstruction and arrangement of parts for the perfection of an elevator,as will hereinafter be described and pointed out.

Reference is to be had to the annexed drawings and to the letters markedthereon, forming a part of this specification, the same lot tersdesignating the same parts or features, as the case may be, whereverthey occur.

Figure 1 is a side view of an elevatorcage, showing one way of arrangingthe operatingrcpe and connecting it with the counterweight. Fig. 2 isplan view showing the operatingrope and the drum for shifting the valve.

Fig. 3 is a front elevation, partly in section, of the compensatingdevices for the operatingrope. Figs. at and 5 show the operating-rope ashaving its ends rigidly secured to the wall of the well. Figs. 6 and 7show the operatingrope as secured to the counterweight and operatin gthe valve -d.rum by supplemental ropes. Fig. 8 isa view showing indetail the supplemental rope for effecting the opening and closing ofthe valve when the cage is at predetermined points. Fig. 5) is a planview of the rack and appurtenances. Fig. 10 is a perspective view of apart of the same. Fig. 11 shows a modification in respect to thesupplemental means for effecting the stoppage of the cage. Figs. 12,1.3, and ll show a modified means for stopping the travel of the cage.Fig. 15 shows in detail an arrangement whereby the valve isautomatically operated by the cage and by the counterweight,respectively, when the cage has reached its lowest and highest points oftravel. Figxlf) shows an arrangement of parts whereby all of thecorridor or landing doors are simultaneously locked and unlocked againstmovement at predetermined times. Fig. 17 shows a slight modification inrespect to the lochin g means that are employed in the constructionshown in Fig. 16. Fig. 18 is a diagrammatic view showing the buzz fornotifying persons of the moving of the cage. Figs. 15), 20, 2]., and 22show the means for closing the electric circuit whereby the buzz issounded.

Referring to the drawings, the cage is uniformly designated by A, itbeing one of the ordinary types, suspended in the usual way upon the endof atlexible cable, chain, or other suspensory B,which latter passesover sheaves (see Fig. 15) andhas its opposite end secured to astationary point, there being a counterweight D hung from a sheave Csuspended from the cable B. l he cage may rise and fall in suitableguides and its movement may be effected by a motor of any of theordinary kinds now commonly used. I have conventional] y illustrated atE a valve-rod which may be connected to a change or reversing valvecontrolling a steam or hydraulic cylinder and piston for operatingmechanism by which the cage is raised and lowered. if desired, anelectric motor controlled by said rod may be used. The rod E is providedwith rack-teeth at one side with which mesh the teeth of a pinion Frigid with a drum G on a shaft" G The rod, the pinion, and the drum,which are shown as one form of stop and start mechanism for the motor,may be varied to suit the particular form of motor that it may bedesired to employ.

Ileretofore the valve has been operated in some cases by an endlessrope, traveling with the cage and connected directly with thecounterweight, and passing around operating-sheaves at the bottom of thewell. This is an excellent arrangement, as it takes all longitudinalstrain off the operating-rope, and yet it is not applicable to the manyelevator apparatuses in which the counterweight is so arranged, bydoubling the suspensory, as to run but half the travel of the car.Hence, by my improvements, the operating-rope is passed aroundapulley onthe counterweight, and has its ends secured to the well or hatchwaywall, so that although the suspensory be doubled, yet the shortenedtravel of the counterweight is compensated for.

The operating or valve-controlling rope is indicated by a, and passesaround a hand-controlled wheel Z) on the cage. This wheel may beoperated in any convenient way and may be provided with devices forholding it stationary at any point in its revolution. The rope a has itsends secured to the well-walls, as in Figs. 4 and 5, or to a weightsliding in guides on the well-wall, as illustrated in Figs. 1 and 3,from whence they pass over small sheaves c 0 depending from thecounterweight D, thence downward around stationarily-mounted sheaves ca, under sheaves c c and around the wheel I). hen the cage is movingupward, the counterpoise will move downward a distance half thattraversed by the cage, so that the rope is free to move with the cageunder the sheaves 0 0 One half of the rope to passes around a pulley cland the other around a pulley d, the said pulleys d d being each securedto the end of the valve-operating means which, in this case are ropessecured to the drum g. The pulleys (Z d are mounted on shafts d whichslide transversely of their axes in grooves (Z in a guide-frame H, whichis secured to the floor in any suitable way. This guide-frame H will behereinafter further described in connection with Figs. 13 and ll.

One rope (Z passes in one direction around the drum and the other (Zaround the drum in the other direction, so that if one rope is subjectedto a longitudinal pull the drum will be rotated in one direction, and ifthe other rope is pulled the drum will be rotated in the otherdirection, so that the valve will be either opened or closed, as thecase may be. Thus, if the hand-controlled wheel I) be rotated in thedirection of the arrow, the lefthand side of the rope to will be takenup (the right-hand side being paid out in accordance therewith) so thatthe pulley d is drawn for-- ward and the pulley (Z is drawn backward,

thereby causing the drum G to be rotated in the direction of the arrowand the rod E to be moved upward. The rope a moves freely pas-t thepulleys when the cage is in motion, yet the latter are sensitive to theslightest movement of the hand-controlled wheel Z).

In order to compensate for any longitudinal movement of the ends of therope a, I may attach them to a cross-bar a which lies between fourupright spring-pressed bars A weight a is attached to the cross-bars aso as to keep the rope to taut. The spring-pressed bars are mounted in aframe a which latter is secured to one of the walls of the well.

It is apparent that, if desired, as hereto fore stated, the rope a mayhave its ends secured by eyebolts a to the walls of the well. asillustrated in Figs. and 5.

Referring to Figs. 6 and 7, it will be seen how the rope a maybematerially shortened. The ropes d and d", or chains if desired. whichare secured to the drum, (not shown,)

are of considerable length and pass around I pulleys d in the bottom ofthe well. The rope a passes down around the pulleys (Z- d, thence upwardover pulleys (1, under pulleys d, up over pulleys c. c on thecounterweight D and having its ends finally secured to the eyebolts a.In all of these figures the line 0 is what is termed a running ropethatis, a rope which travels with the car, in contradistinction to astanding line, or a line relatively to which the car travels.

It is well known to those practically acquainted with elevators that itis frequently impossible to stop the elevator at the proper point, andthat when the cage is traveling at a high rate of speed the machinery issub jected to sudden and severe strains when it is desired to stop itsascent or descent by means of the operatingrope, andthe passengerssubjected to a disagreeable shock when the cage is brought to a suddenrest. Hence I employ a flexible means supplemental to the hand-operatingdevices for automatically stopping the car at predetermined points. Ihave shown several mechanisms for accomplishing this purpose, they beingillustrated in Figs. 8 to 14.

Referring first more particularly to Figs. to 10, c is a single ropehaving one end secured to a wheel f on the cage, which latter is rotatedby means of a lever f", as shown in dotted lines. The other end of therope e is secured to the counterweight D so that one end rises the otherend falls, and vice versa, the rope passing around pulleys e secured tothe wellwalls near the bottom thereof. The rope a has one-half passedaround a drum 9 which is mounted 011 a shaft g" journaled in anysuitable bearings in the cellar or in the bottom of the well. A pinionis keyed or otherwise secured to shaft 9''. and meshes with a rack-bar hwhich slides in suitable guides. (N ot shown.)

It will be seen that if rope to is drawn in one direction the rack-barwill be moved by the drum and pinion. in the other direction, and viceversa. The rack-bar is secured to parallel side bars 7L provided withcross-pieces 712 corresponding to the number of landings at the side ofthe elevator-well.

is a dog pivoted on a cross-shaft i and lying above the path of thecross-bars h 712. The dog is provided with an extension 2' on which isjournaled a loose pulley i and which is also provided with a weight i,the purpose of which weight is to overcome the tendency in the suddenstarting of the car to throw the dog into engagement with the cross-bar7L2. The rope 6 passes from the pulley i and up over the pulley 6, sothat if the lever f be moved to the right the rope will be wound on thewheel f, thereby lifting pulley i and throwing the (log t' down, so thatit will engage with the next cross-piece 71- as the side bars move past.This stops the movement of the rack-bar and prevents the pinion g anddrum g from rotating, but as the cage and counterweight still continueto move, one valve-controlling pulley cl will be drawn forward and theother drawn back, so that the drum G is rotated in one direction or theother and the valve shifted. The pinion, rack, and cross-bars are sorelated to the travel of the cage that the cross-bars correspond to thelandings and stop the elevator at the proper place. The cross-bars aremade adjustable, each being provided with slots k through which bolts h"pass into cross-bars 71 715, (see Fig. 10,) and into the pa *allel sidebars 71/ 7b. The cross-bars ]L5 h can be moved apart and secured inplace at any points relatively to each other and to the iron bar 72/ bythe bolts 7L". A counterbalancing-spring f is employed to make itcomparatively easy for the operator to manipulate the lever f to throwthe dog '1'- into the path of the cross-bar 7L2.

Referring to Fig. 11, a different mechanism is shown. for accomplishingthe automatic stopping of the elevator-cage. The rope a passes betweenstationarily-mounted devices for engaging it, consisting of a stationarybar 7' suitably mounted in the wall of the elevator-shaft and a clamp j.The latter is secured to a lever pivoted at 70 and provided with acounterbalancing-weight k and a pulley it". The supplemental runningrope e is secured to a wheel f and to the counterweight, as in Fig.8,and causes the stationarily-mounted device 3' to engage the rope a, andthereby shift the stop and start mechanism. Rigid with the wheel f is alever f and an antifriction-wheel f, which latter rests against aguide-rail Z extending from the top to the bottom of the elevator-well.At each floor it is bent outward, as at Z, so that when the cage reachesthat point the lever f is pressed outward by the lever f, the railpermitting it, thereby lengthening the rope e and allowing pulley it todrop, whereby the weight 70 causes the clamp to grip the rope a againstthe cross-bar j. This draws one pulley cl forward and allows the otherto move backward, the same as in Fig. 8, thereby shifting the valve.

For the sake of clearness and convenience I have shown a device forclamping but one partof the rope to stop the car in its movement in onedirection, but it will be understood that in actual practice I employtwo clamping devices,one for each side of the rope, so as to stop thecar in either of its movements. In Figs. 12, 13 and 14: I show aslightly-modified device for stopping the car. I11 this case the rope apasses around the pulleys c cl and 0, being secured to the counterweightD at its ends. The rope e is secured to the wheel f, which is rigidlymounted on a shaft f projecting through the side of the cage, therebeing a lever f secured to the shaft on the inner end thereof forrotating the said shaft and wheel whereby the rope e is drawn in or paidout. The latter passes from the wheel f down under pulley 6*, around thepulley 6 back around pulley 6 under pulley a up to the counterweight D.The pulley e is connected through the medium of a link 6 to one end of asliding frame a there being a helical spring e to keep the frame drawnback. (See Figs. 12 and 13.) This construction serves, among otherthings, as a rope-tightener to the rope ethat is, as a means for keepingthe rope e taut.

In Fig. 14 I have shown a way in which the spring 6 may be interposedbetween a head e on the end of the link e and the frame a and operatewith the same effect as before explained.

The frame c has grooves or slots c in its sides corresponding to thegrooves in the side flanges of the guide-frame H, so that the axles ofthe pulleys cl d can slide freely back and forth therein as the rope ais drawn in and paid out for shifting the valve-rod or stop and-startmechanism. hen the valve is open, one pulley is in a forward positionand the other is some distance behind it, so that when it is desired toclose the valve, it is merely necessary to draw the frame forward, andthe end walls of the slots e will cause both pulleys to come to a stateof rest in the position shown in Fig. 13, as will readily be understood.The spring 6 also serves to normally hold the frame a in the positionshown in Fig. 13, so that the pulleys d CZ are free to slide back andforth for opening the valve.

The frame a constitutes a device for operatingthe stop-and startmechanism, and is, as said, provided with a loose pulley 6 around whichthe supplemental running line passes to operate it. In all of thesedevices it will be observed that I have provided an operative runningline connected with the car and coacting with stationarily-mounteddevices for operating the stop -and -start mechanism. By stationarilymounted I mean that the devices are not connectedwith the car so as totravel therewith, but are mounted on supports which are stationary; andalso that I have provided means for automatically oper ating thestationarily-mounted devices when the cage has reached a predeterminedpoint in its travels. In Figs. 11 and 12 the means consists of theoffset guide-rail and the lever f and in Fig. 8 it consists of thetraveling rack and the dog 1'. By the said means the cage may beautomatically stopped at any landing by the operative drawing upon thelever f, as will be clearly understood; and in Figs. 11 and 12 thesupplemental rope is locked against movement relatively to the car,except when the lever f is opposite one of the offsets in the cam trackor rail.

I also employ means for looking all the corridor-doors during themovement of the cage, as is illustrated in detail in Figs. 16 and 17. Inthis instance the means is operated mediately by the operating-rope CLthrough the medium of the drum G and its supportingshaft,and is soconstructed and arranged that when the valve is partially or entirelyopen locking devices are so shifted that they lie in the path of eachdoor and preventthe movement.

Referring to Fig. 16, it will be seen that a rope or chain a isemployed, supplemental to ropes (t and c, (not shown,) which passesaround a sheave 0 at the top of the well or hatchway, a sheave 0 at thebottom of the well, and a guide-sheave 0 having the axis substantiallyin the horizontal plane of the axis of the sheave 0. Then the rope hasits ends secured to a sheave 0 which is keyed or otherwise rigidlysecured to the shaft, to which drum G is also rigidly secured.

n n are cable attachments or clips clamped to the rope '22 respectively,slightly above and belon the upper and lower sills of the corridor-doorand lying in the vertical planes of the door. Each attachment or clip isprovided with a projection M, which moves down into the path of thedoor-sill when the cable is shifted vertically, so that if the cablemoves downward clip n drops into the path of the door, and if the cableis drawn upward clip n rises with it so as to engage the vertical sidebar of the door. Thus the doors are effectually locked against movementwhen the valve is shifted and the car is in motion.

It sometimes happens that the engineer or mechanic must get into thewell or get on top of the cage to repair some parts, and this lattercannot be done unless the top of the cage is below the landing, at whichtime the door is locked. Hence it is necessary that one or more of theclips be provided with a projection that can be slipped out from be hindthe door, so as to allow it to be opened.

In Fig. 17 I have shown a lower clip a as being provided with alaterally-extending oifset M, the clip being rigidly clamped on thecable or rope 02. Above the stationary clip a is a vertically-slidingclip a having a projection n for engaging the door, and an offset nsimilar to that at 01 The clip a is held in position by a spring 92there being as so placed.

a bolt n, which limits the vertical movement of said clip.

When the cable is moved upward in the operation of shifting of thevalve, pin n engages the edge of the door; but it can be moved down outof engagement therewith to open the door when that becomes necessary.

the spring forcing it back in place after the door is again shut.

Above the door are two stationarilysecured clips 1?. n", with afreely-sliding bolt or pin, which is held down by force of gravity, sothat no spring is needed. hen this pin is in engagement with the door byreason of the shifting of the rope n it can he slid up out of engagementwith the door by hand.

In order to reduce the travel of the supplemental line the sheave 0 isof a reduced diameter, so that when the drum is rotated the line willmove a distance less than the distance the main rope travels. The partsare so arranged that the supplemental line will move just enough tocarry the pins u behind the doors.

In order to prevent too great vertical movement of the cage and preventany accident which might happen if the operating-ropes a and 6 shouldbecome broken or disabled, I em- 1 ploy means supplemental thereto forbringing the cage to a state of rest at its highest and lowest points oftravel respectively. In Fig. 15 such means are illustrated. A rope orchain 1 is attached to a drum G supplemental to drum G (not shown insaid figure) and rigid with its supporting-shaft G It passes aroundguide-sheaves r WW and is kept taut by a weighted pulley r. The verticalportions of the rope q are each provided with an attachment or clip q gwith which can alternately engage a projection s on the cage. hen thecage is traveling downward and has nearly reached its lowest point,projection 8' will strike clip (1 and shift the valve rod in onedirection, so as to stop the cage. and a similar thing will happen whenprojection .9 on the counterweight, D strikes clip q during the upwardmovement of the cage.

In addition to the above-described safety devices whereby thecorridor-doors are automatically locked I employ other safety devices,consisting of means for audiblynotifying waiting passengers of themovement of the car. sounding device located on the cage or at the topof the hatchway or well. I prefer in many cases to place a soundingdevice on each floor, and in Fig. 18 I have shown the device buzz or ofa bell having a sound difierent from that of the signal or call bell onthe cage. In order that the sounding device may be sounded while the caris in motion, I provide a switch, moved by the operating-rope, for zclosing the electric circuit in which the sounding device is located.

In Fig. 18 I have illustrated somewhat conventionally an electriccircuit and a series or This may be done by an electric The device mayconsist of a sounding devices, together with the switch which isoperated by the valve-closing devices. teferring to Figs. If) and 20, it t are a series of sounding devices connected in multiple arc in acircuit consisting of wires 1 f One wire, a", is electricaliy connectedwith the shaft which supports the valve operating drum G, and the otherwire, 1 is connected with a metallic plate ahaving two arc-likecontact-surfaces at (.1 On the shaft G2 and electrically connectedtherewith is a metallic disk 1' having a concentric arclikecontactsurface r'. The contact-surfaces a, 21 and o are so related thatwhen the valve is closed they will occupy the position shown in Figs. 19and 20 and the circuit will be open; but if the drum G- is moved in theslightest degree to open the valve the contact 1* will engage eithercontact u or a and the circuit will be closed, thereby causing thebuzzes or signals t to sound,which they will continue to do until thevalve is closed.

In Figs. 21 and 92 I have shown a modification in which the circuit isclosed by the shafts of the pulleys (Z d. In this case wire i isconnected to a metallic strip 11 and wire i is connected to a similarstrip in. At 115' in each metallic strip is a strip of insulating material. The shafts of wheels (I 11' are metallie, and rest against thesaid strips '11 11, except when the valve is closed, when they will restagainst the insulating-strip LP. The inner ends of the axles rest ingrooves in a metallic flange II, so that they shall be always inelectrical connection.

When the valve is opened by the rope a moving the pulleys (1 cl theaxles of the latter will close the circuit through wire i strip a flangeII", strip in, and wire 1*, thereby causing the signal to sound.

lVhile I have herein described my invention and parts thereof asembodied in one or several forms, yet it will be understood that I donot limit myself to the devices shown, as many changes maybe madewithout departing from the spirit and scope of my invention.

lVhenevcr I herein use the term valve shifting devices it will beunderstood that I mean devices for starting and stopping the motor ofany kind or type.

I do not herein claim broadly a car-controlling device comprising acontrolling-line, a hand device for shifting said line, secondarymechanism for shift-in said line to stop the motor, and means to preventthe operation of said secondary mechanism, except when the car is near alanding, as that forms the subject-matter of a claim in my co-pendingapplication, Serial No. 583,652, filed January 2, 1895.

What I claim is 1. In an elevator apparatus, a cage, a suspensorytherefor, a' counter-weight, a stop and start mechanism, an operatingline connected with the stop and start mechanism, devices on the wellwall for compensating for the variations in the length of the line, saidline traveling with the car, passing around a pulley on thecounter-weight, and having its ends se cured to said compensatingdevices on the wall of the well or hatehway.

2. In an elevator, the combination with the cage, a running operativeline traveling therewith, a stop and start mechanism for the motor, andtwo movable pulleys connected with the stop and start mechanism, andaround which the operative line passes, of a supplemental line travelingwith the car, for drawing said pulleys to a neutral position to effect astopping of the car.

In an elevator, the combination with the cage, of a stop and startmechanism, a running operative rope, a stationarily mounted device forshifting the operative rope whereby the stop and startmechanism isoperated, and said device having a loose pulley, and a supplementalrunning rope operated from the cage and passing around said loose pulleyto operate said device.

4:. In an elevator, the combination with the cage, of a stop and startmechanism, a run ning operative rope connected therewith, stationarilymounted devices adapted to engage said rope, and a supplemental line foroperating said stationarily.mounted devices to engage the rope and shiftthe stop and start mechanism.

5. In an elevator, the combination with the cage, of a stop and startmechanism for the motor, a running rope connected with the saidmechanism and adapted to be moved by an operative in the cage, a runningline supplemental to the rope for shifting the stop and start mechanismindependently thereof, and means for automatically operating the saidsupplemental line when the car has reached a predetermined point in thetravel, substantially as set forth.

(3. In an elevator, the combination with the cage, the suspensory, andthe counterweight, of the stop and start mechanism for the motor, a ropefor operating the said mechanism, and a rope supplemental to thataforesaid and connected to and traveling with the cage and thecounterweight, and also connected to the stop and start mechanism foroperating the same, substantially as set forth.

7. In an elevator, the combination with the cage, of a stop and startmechanism for the motor, a running rope for operating said mechanism tostart the motor, a running rope supplemental to said rope for operatingsaid mechanism to stop the motor, and means for locking the saidsupple-mental running rope against movement relatively to the car exceptat predetermined points, substantially as set forth.

8. In an elevator, the combination with the cage and a track extendingup the elevator well and having offset or cut-away portionscorresponding to the landings, of a stop and start mechanism for themotor, a rope for operating said mechanism to stop the motor and deviceson the cage for operating said rope, said devices having means engagingthe said track whereby they can be operated only when the said means areopposite one of the offset or cut-away portions of the said track,substantially as set forth.

9. In an elevator, the combination with the cage, a cam-track havingoffset or cut-away portions, a stop and start mechanism for the motor,and a rope for operating said mechanism of a supplemental rope foroperating said mechanism to stop the motor, a wheel for saidsupplemental rope on the cage, and devices rigidly connected with saidwheel and engaging the cam track, whereby said,

Wheel cannot be rotated except when said devices reach said offsetportions substantially as described.

' 10. In an elevator, the combination with the cage, a cam track havingolfset portions corresponding to the landings, and a'stop and startmechanism for the motor, of a rope for operating said mechanism to stopthe motor and a wheel on the cage for said rope, and a lever engagingsaid cam track, whereby it can be moved only when opposite the offsetportions, substantially as set forth.

11. In an elevator, the combination with the cage and the stop and startmechanism for the motor, of the means on the cage for operating saidmechanism to start the motor with different degrees of speed, and meanson the cage for stopping said car at an exact predeterminedpointirrcspective of the speed of the cage, substantially as set forth.

12. In an elevator, a series of movable corridor doors, a cage, anoperating line, a supplemental line, attachments carried by saidsupplemental line for simultaneously looking said corridor doors, andmeans interposed between the two lines whereby the supplemental linemoves a distance lessthan the travel of the operating line.

18. In an elevator, a cage, a counterweight. and a susp'ensory, incombination with a stop and startmechanism, a rope, connected therewithand having clips or attachments, and means carried by the counterweightand. cage, respectively for engaging said clips or attach ments on saidrope, substantially as set forth.

14. In an elevator, a cage, stop and start mechanism for the motor, twomovable pulleys connected with said stop and start mechanism, a runningrope passing around said pulleys for moving them to operate the stop andstart mechanism, and means supplemental to said running rope for movingsaid pulleys to a neutral position whereby the said mechanism is broughtto a non-active position, and the movement of the car is stopped.

15. The combination with the cage, the operating rope and the stop andstart mechanism, of a sounding device, an electric circuit includingsaid sounding device and a contact movable by said operating rope forclosing said circuit for causing the sounding device to operate duringthe movement of the cage, substantially as set forth.

16. The combination with the traveling cage, ofan electric circuit, anelectric sounding device in said circuit and means for closing saidcircuit during the travel of the cage, whereby the sounding device iscontinuously actuated while the cage is in motion.

In testimony whereof I have signed my name to this specification, in thepresence of two subscribing witnesses, this 5th day of February, A. D.1895.

CHARLES A. IIARKNESS.

Vitnesses:

ARTHUR WV. CRossLEY, 0. O. ST cHER.

